Mix sauerkraut, sauteed onion and either brown sugar or applesauce. In saucepan, bring water, 1/4 teaspoon salt and butter to boil. Add rice, remove from heat and cover. Let stand 30 minutes.
Meanwhile, core and steam cabbage just until leaves are no longer crisp. Mix together beef, pork, bread, milk, egg, 1 teaspoon salt, pepper, garlic and chopped onion. Add rice to meat mixture. Roll up cabbage leaves with some meat mixture inside. Shred remaining cabbage.
On bottom of baking pan, lay shredded cabbage and some of the sauerkraut mixture. Layer cabbage rolls and sauerkraut mixture. Mix together sauce ingredients and pour over all. Bake covered for about 1 1/2 hours in 350 degree oven. Uncover and bake another 30 minutes or until done.
